package screens;

import java.util.Vector;

import log.Logger;
import net.rim.device.api.i18n.ResourceBundle;
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.component.BitmapField;
import net.rim.device.api.ui.component.LabelField;
import net.rim.device.api.ui.component.SeparatorField;
import net.rim.device.api.ui.container.VerticalFieldManager;
import net.rim.device.api.ui.decor.Background;
import net.rim.device.api.ui.decor.BackgroundFactory;
import strings.WebcampusResource;
import util.LookAndFeel;
import beans.News;
import customfields.NewsModuleField;

public class NewsScreen extends TransitionScreen implements WebcampusResource{

	// RESOURCES
	private static ResourceBundle resources = ResourceBundle.getBundle(BUNDLE_ID, BUNDLE_NAME);

	private Vector newsVector;

	public NewsScreen(Vector news, int transitionType){
		super(transitionType);
		
		Logger.log("creating news screen");

		this.newsVector=news;

		// Main vertical field manager
		VerticalFieldManager vfm = new VerticalFieldManager(Field.USE_ALL_HEIGHT);
		Bitmap background_bitmap = Bitmap.getBitmapResource(LookAndFeel.background_img);
		Bitmap background_bitmap_resized = new Bitmap(Display.getWidth(), background_bitmap.getHeight());
		background_bitmap.scaleInto(background_bitmap_resized, Bitmap.FILTER_LANCZOS | Bitmap.SCALE_TO_FILL);
		Background background = BackgroundFactory.createBitmapBackground(background_bitmap_resized);
		vfm.setBackground(background);

		// Header
		Bitmap header_img = Bitmap.getBitmapResource(LookAndFeel.header_img);
		Bitmap header_img_resized = new Bitmap(Display.getWidth(), (int) (Display.getHeight()*0.25));
		header_img.scaleInto(header_img_resized, Bitmap.FILTER_LANCZOS, Bitmap.SCALE_TO_FILL);
		BitmapField header = new BitmapField(header_img_resized,Field.FIELD_HCENTER);
		vfm.add(header);

		// Separator
		vfm.add(new SeparatorField());
		vfm.add(new LabelField(""));
		
		if (news.size()==0){
		vfm.add(new NewsModuleField(new News("",resources.getString(NONEWSTITLE_LABEL),
				resources.getString(NONEWS_LABEL)), FIELD_HCENTER));
		}else{
			for(int i=0; i<news.size(); i++){
				vfm.add(new NewsModuleField((News) newsVector.elementAt(i), Field.FIELD_HCENTER));
			}
		}
		add(vfm);
	}
	

	protected boolean navigationClick(int status, int time){
		return true;
	}
	protected boolean navigationUnclick(int status, int time){
		return true;
	}
	
}
